Gesamtlänge aller Episoden: 2 days 23 hours 30 minutes
Life as we know it needs water, but scientists can’t figure out where Earth’s water came from.
A cell is alive. So is a leaf and so is a tree. But what about the forest they’re a part of?
The researcher who popularized the idea of the alpha wolf has spent decades trying to take it back.
Solar storms can wreak havoc on power grids, satellites, even astronauts — but scientists still struggle to predict them.
Diagnosing diseases like endometriosis can require difficult steps, like surgery.
They’re not looking for UFOs or decoding government secrets. They’re doing something much simpler.
Airborne diseases kill millions of people a year, despite available antibiotics and vaccines.